<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>面试题3</title>
</head>
<body>
    <script>
      setTimeout(() => {
        console.log("0")
      }, 0)
      new Promise((resolve,reject)=>{
        console.log("1")
        resolve()
      }).then(()=>{        
			    console.log("2")
			    new Promise((resolve,reject)=>{
			      console.log("3")
			      resolve()
			    }).then(()=>{      
			      console.log("4")
			    }).then(()=>{       
			      console.log("5")
			    })
      }).then(()=>{  
        console.log("6")
      })
      new Promise((resolve,reject)=>{
        console.log("7")
        resolve()
      }).then(()=>{         
        console.log("8")
		  })
		

    </script>

</body>
</html>